Electric toothbrush head



FIG. 1 is a front, top and right side perspective view of an electric toothbrush head showing my new design;

FIG. 2 is a rear, bottom and left side perspective view thereof.

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the electric toothbrush head that form no part of the claimed design. 

CLAIM The ornamental design for an electric toothbrush head, as shown and described. 